prevent completed download restart

server/internal/message_queue.go

@@ -65,7 +65,9 @@ func (m *MessageQueue) downloadConsumer() {
 			slog.String("id", p.getShortId()),
 		)
 
-		p.Start()
+		if p.Progress.Status != StatusCompleted {
+			p.Start()
+		}
 
 		m.logger.Info("started process",
 			slog.String("bus", queueName),
@@ -92,6 +94,14 @@ func (m *MessageQueue) metadataSubscriber() {
 			slog.String("id", p.getShortId()),
 		)
 
+		if p.Progress.Status == StatusCompleted {
+			m.logger.Warn("proccess has an illegal state",
+				slog.String("id", p.getShortId()),
+				slog.Int("status", p.Progress.Status),
+			)
+			return
+		}
+
 		if err := p.SetMetadata(); err != nil {
 			m.logger.Error("failed to retrieve metadata",
 				slog.String("id", p.getShortId()),

server/internal/process.go

@@ -198,6 +198,9 @@ func (p *Process) Complete() {
 
 // Kill a process and remove it from the memory
 func (p *Process) Kill() error {
+	defer func() {
+		p.Progress.Status = StatusCompleted
+	}()
 	// yt-dlp uses multiple child process the parent process
 	// has been spawned with setPgid = true. To properly kill
 	// all subprocesses a SIGTERM need to be sent to the correct